However, it’s not known how Brian’s character was initially meant to exit the show following his one-episode arc. Given that so many of the series’ guest stars have been killed off over the years, it s likely that the writers had a similar fate in mind for Jimmy. It s equally possible that they could have left the door open for his character to return in the future. Since they knew early on that they want to keep Brian as part of the team, we’ll never know what they originally had in mind!
Likewise, Sean Murray - who has played special agent Timothy McGee since season one - was never intended to be series regular. “